[OFBiz] Users - POS Problem?

[OFBiz] Users - POS Problem?

-- exception report
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When trying to perfor a sale I recieve this error when I try to finish and
pay, I use the cash method. This happens on all three of my linux boxes
now, this problem started when I upgraded to the latest SVN.

2 boxes are Fedora core2 and the other os Fedora cor 3
JDK 1,4.08, here is the stack trace.